/* ダークモードのログイン前のヘッダ用 */
.form-control-dark {
color: #fff;
background-color: var(--bs-dark);
border-color: var(--bs-gray);
}
.form-control-dark:focus {
color: #fff;
background-color: var(--bs-dark);
border-color: #fff;
box-shadow: 0 0 0 .25rem rgba(255, 255, 255, .25);
}
/* ログイン済のヘッダ用 */
.text-small {
font-size: 85%;
}
/* ログイン済のヘッダ、グリッド付きのヘッダ用 */
.dropdown-toggle:not(:focus) {
outline: 0;
}
※これを headers.css
として保存する。
<!doctype html>
<html lang="ja">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>ヘッダ</title>
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-QWTKZyjpPEjISv5WaRU9OFeRpok6YctnYmDr5pNlyT2bRjXh0JMhjY6hW+ALEwIH">
//CSSの設定など
<!-- CSSの設定ファイル -->
<link rel="stylesheet" href="headers.css">
</head>
<body>
<!-- アイコンの設定 -->
<svg xmlns="http://www.w3.org/2000/svg" class="d-none">
<symbol id="bootstrap" viewBox="0 0 118 94">
<title>Bootstrap</title>
<path fill-rule="evenodd" clip-rule="evenodd" d="M24.509 0c-6.733 0-11.715 5.893-11.492 12.284.214 6.14-.064 14.092-2.066 20.577C8.943 39.365 5.547 43.485 0 44.014v5.972c5.547.529 8.943 4.649 10.951 11.153 2.002 6.485 2.28 14.437 2.066 20.577C12.794 88.106 17.776 94 24.51 94H93.5c6.733 0 11.714-5.893 11.491-12.284-.214-6.14.064-14.092 2.066-20.577 2.009-6.504 5.396-10.624 10.943-11.153v-5.972c-5.547-.529-8.934-4.649-10.943-11.153-2.002-6.484-2.28-14.437-2.066-20.577C105.214 5.894 100.233 0 93.5 0H24.508zM80 57.863C80 66.663 73.436 72 62.543 72H44a2 2 0 01-2-2V24a2 2 0 012-2h18.437c9.083 0 15.044 4.92 15.044 12.474 0 5.302-4.01 10.049-9.119 10.88v.277C75.317 46.394 80 51.21 80 57.863zM60.521 28.34H49.948v14.934h8.905c6.884 0 10.68-2.772 10.68-7.727 0-4.643-3.264-7.207-9.012-7.207zM49.948 49.2v16.458H60.91c7.167 0 10.964-2.876 10.964-8.281 0-5.406-3.903-8.178-11.425-8.178H49.948z"></path>
</symbol>
<symbol id="home" viewBox="0 0 16 16">
<path d="M8.354 1.146a.5.5 0 0 0-.708 0l-6 6A.5.5 0 0 0 1.5 7.5v7a.5.5 0 0 0 .5.5h4.5a.5.5 0 0 0 .5-.5v-4h2v4a.5.5 0 0 0 .5.5H14a.5.5 0 0 0 .5-.5v-7a.5.5 0 0 0-.146-.354L13 5.793V2.5a.5.5 0 0 0-.5-.5h-1a.5.5 0 0 0-.5.5v1.293L8.354 1.146zM2.5 14V7.707l5.5-5.5 5.5 5.5V14H10v-4a.5.5 0 0 0-.5-.5h-3a.5.5 0 0 0-.5.5v4H2.5z"/>
</symbol>
<symbol id="speedometer2" viewBox="0 0 16 16">
<path d="M8 4a.5.5 0 0 1 .5.5V6a.5.5 0 0 1-1 0V4.5A.5.5 0 0 1 8 4zM3.732 5.732a.5.5 0 0 1 .707 0l.915.914a.5.5 0 1 1-.708.708l-.914-.915a.5.5 0 0 1 0-.707zM2 10a.5.5 0 0 1 .5-.5h1.586a.5.5 0 0 1 0 1H2.5A.5.5 0 0 1 2 10zm9.5 0a.5.5 0 0 1 .5-.5h1.5a.5.5 0 0 1 0 1H12a.5.5 0 0 1-.5-.5zm.754-4.246a.389.389 0 0 0-.527-.02L7.547 9.31a.91.91 0 1 0 1.302 1.258l3.434-4.297a.389.389 0 0 0-.029-.518z"/>
<path fill-rule="evenodd" d="M0 10a8 8 0 1 1 15.547 2.661c-.442 1.253-1.845 1.602-2.932 1.25C11.309 13.488 9.475 13 8 13c-1.474 0-3.31.488-4.615.911-1.087.352-2.49.003-2.932-1.25A7.988 7.988 0 0 1 0 10zm8-7a7 7 0 0 0-6.603 9.329c.203.575.923.876 1.68.63C4.397 12.533 6.358 12 8 12s3.604.532 4.923.96c.757.245 1.477-.056 1.68-.631A7 7 0 0 0 8 3z"/>
</symbol>
<symbol id="table" viewBox="0 0 16 16">
<path d="M0 2a2 2 0 0 1 2-2h12a2 2 0 0 1 2 2v12a2 2 0 0 1-2 2H2a2 2 0 0 1-2-2V2zm15 2h-4v3h4V4zm0 4h-4v3h4V8zm0 4h-4v3h3a1 1 0 0 0 1-1v-2zm-5 3v-3H6v3h4zm-5 0v-3H1v2a1 1 0 0 0 1 1h3zm-4-4h4V8H1v3zm0-4h4V4H1v3zm5-3v3h4V4H6zm4 4H6v3h4V8z"/>
</symbol>
<symbol id="people-circle" viewBox="0 0 16 16">
<path d="M11 6a3 3 0 1 1-6 0 3 3 0 0 1 6 0z"/>
<path fill-rule="evenodd" d="M0 8a8 8 0 1 1 16 0A8 8 0 0 1 0 8zm8-7a7 7 0 0 0-5.468 11.37C3.242 11.226 4.805 10 8 10s4.757 1.225 5.468 2.37A7 7 0 0 0 8 1z"/>
</symbol>
<symbol id="grid" viewBox="0 0 16 16">
<path d="M1 2.5A1.5 1.5 0 0 1 2.5 1h3A1.5 1.5 0 0 1 7 2.5v3A1.5 1.5 0 0 1 5.5 7h-3A1.5 1.5 0 0 1 1 5.5v-3zM2.5 2a.5.5 0 0 0-.5.5v3a.5.5 0 0 0 .5.5h3a.5.5 0 0 0 .5-.5v-3a.5.5 0 0 0-.5-.5h-3zm6.5.5A1.5 1.5 0 0 1 10.5 1h3A1.5 1.5 0 0 1 15 2.5v3A1.5 1.5 0 0 1 13.5 7h-3A1.5 1.5 0 0 1 9 5.5v-3zm1.5-.5a.5.5 0 0 0-.5.5v3a.5.5 0 0 0 .5.5h3a.5.5 0 0 0 .5-.5v-3a.5.5 0 0 0-.5-.5h-3zM1 10.5A1.5 1.5 0 0 1 2.5 9h3A1.5 1.5 0 0 1 7 10.5v3A1.5 1.5 0 0 1 5.5 15h-3A1.5 1.5 0 0 1 1 13.5v-3zm1.5-.5a.5.5 0 0 0-.5.5v3a.5.5 0 0 0 .5.5h3a.5.5 0 0 0 .5-.5v-3a.5.5 0 0 0-.5-.5h-3zm6.5.5A1.5 1.5 0 0 1 10.5 9h3a1.5 1.5 0 0 1 1.5 1.5v3a1.5 1.5 0 0 1-1.5 1.5h-3A1.5 1.5 0 0 1 9 13.5v-3zm1.5-.5a.5.5 0 0 0-.5.5v3a.5.5 0 0 0 .5.5h3a.5.5 0 0 0 .5-.5v-3a.5.5 0 0 0-.5-.5h-3z"/>
</symbol>
</svg>
<!-- /アイコンの設定 -->
<main>
<h1 class="visually-hidden">ヘッダの実例</h1>
<!-- シンプルなヘッダ -->
<div class="container">
<header class="d-flex flex-wrap justify-content-center py-3 mb-4 border-bottom">
<a href="/" class="d-flex align-items-center mb-3 mb-md-0 me-md-auto link-body-emphasis text-decoration-none">
<svg class="bi me-2" width="40" height="32"><use xlink:href="#bootstrap"/></svg>
<span class="fs-4">シンプルなヘッダ</span>
</a>
<ul class="nav nav-pills">
<li class="nav-item"><a href="#" class="nav-link active">ホーム</a></li>
<li class="nav-item"><a href="#" class="nav-link">特徴</a></li>
<li class="nav-item"><a href="#" class="nav-link">価格設定</a></li>
<li class="nav-item"><a href="#" class="nav-link">FAQ</a></li>
<li class="nav-item"><a href="#" class="nav-link">概要</a></li>
</ul>
</header>
</div>
<!-- /シンプルなヘッダ -->
<div class="b-example-divider"></div>
<!-- アイコンなしの中央揃いのヘッダ -->
<div class="container">
<header class="d-flex justify-content-center py-3">
<ul class="nav nav-pills">
<li class="nav-item"><a href="#" class="nav-link active">ホーム</a></li>
<li class="nav-item"><a href="#" class="nav-link">特徴</a></li>
<li class="nav-item"><a href="#" class="nav-link">価格設定</a></li>
<li class="nav-item"><a href="#" class="nav-link">FAQ</a></li>
<li class="nav-item"><a href="#" class="nav-link">概要</a></li>
</ul>
</header>
</div>
<!-- /アイコンなしの中央揃いのヘッダ -->
<div class="b-example-divider"></div>
<!-- アイコン付きの均等配置のヘッダ -->
<div class="container">
<header class="d-flex flex-wrap align-items-center justify-content-center justify-content-md-between py-3 mb-4 border-bottom">
<div class="col-md-3 mb-2 mb-md-0">
<a href="/" class="d-inline-flex link-body-emphasis text-decoration-none">
<svg class="bi" width="40" height="32" role="img" aria-label="Bootstrap"><use xlink:href="#bootstrap"/></svg>
</a>
</div>
<ul class="nav col-12 col-md-auto mb-2 justify-content-center mb-md-0">
<li><a href="#" class="nav-link px-2 link-secondary">ホーム</a></li>
<li><a href="#" class="nav-link px-2">特徴</a></li>
<li><a href="#" class="nav-link px-2">価格設定</a></li>
<li><a href="#" class="nav-link px-2">FAQ</a></li>
<li><a href="#" class="nav-link px-2">概要</a></li>
</ul>
<div class="col-md-3 text-end">
<button type="button" class="btn btn-outline-primary me-2">ログイン</button>
<button type="button" class="btn btn-primary">サインアップ</button>
</div>
</header>
</div>
<!-- /アイコン付きの均等配置のヘッダ -->
<div class="b-example-divider"></div>
<!-- ダークカラーのログイン前のヘッダ -->
<header class="p-3 text-bg-dark">
<div class="container">
<div class="d-flex flex-wrap align-items-center justify-content-center justify-content-lg-start">
<a href="/" class="d-flex align-items-center mb-2 mb-lg-0 text-white text-decoration-none">
<svg class="bi me-2" width="40" height="32" role="img" aria-label="Bootstrap"><use xlink:href="#bootstrap"/></svg>
</a>
<ul class="nav col-12 col-lg-auto me-lg-auto mb-2 justify-content-center mb-md-0">
<li><a href="#" class="nav-link px-2 text-secondary">ホーム</a></li>
<li><a href="#" class="nav-link px-2 text-white">特徴</a></li>
<li><a href="#" class="nav-link px-2 text-white">価格設定</a></li>
<li><a href="#" class="nav-link px-2 text-white">FAQ</a></li>
<li><a href="#" class="nav-link px-2 text-white">概要</a></li>
</ul>
<form class="col-12 col-lg-auto mb-3 mb-lg-0 me-lg-3" role="search">
<input type="search" class="form-control form-control-dark text-bg-dark" placeholder="検索...">
</form>
<div class="text-end">
<button type="button" class="btn btn-outline-light me-2">ログイン</button>
<button type="button" class="btn btn-warning">サインアップ</button>
</div>
</div>
</div>
</header>
<!-- /ダークカラーのログイン前のヘッダ -->
<div class="b-example-divider"></div>
<!-- ログイン済みのヘッダ -->
<header class="p-3 mb-3 border-bottom">
<div class="container">
<div class="d-flex flex-wrap align-items-center justify-content-center justify-content-lg-start">
<a href="/" class="d-flex align-items-center mb-2 mb-lg-0 link-body-emphasis text-decoration-none">
<svg class="bi me-2" width="40" height="32" role="img" aria-label="Bootstrap"><use xlink:href="#bootstrap"/></svg>
</a>
<ul class="nav col-12 col-lg-auto me-lg-auto mb-2 justify-content-center mb-md-0">
<li><a href="#" class="nav-link link-secondary px-2">概要</a></li>
<li><a href="#" class="nav-link link-body-emphasis px-2">在庫</a></li>
<li><a href="#" class="nav-link link-body-emphasis px-2">顧客</a></li>
<li><a href="#" class="nav-link link-body-emphasis px-2">製品</a></li>
</ul>
<form class="col-12 col-lg-auto mb-3 mb-lg-0 me-lg-3" role="search">
<input type="search" class="form-control" placeholder="検索...">
</form>
<div class="dropdown text-end">
<a href="#" class="d-block link-body-emphasis text-decoration-none dropdown-toggle" data-bs-toggle="dropdown" aria-expanded="false">
<img src="https://github.com/mdo.png" alt="mdo" width="32" height="32" class="rounded-circle">
</a>
<ul class="dropdown-menu text-small">
<li><a class="dropdown-item" href="#">新プロジェクト...</a></li>
<li><a class="dropdown-item" href="#">設定</a></li>
<li><a class="dropdown-item" href="#">プロフィール</a></li>
<li><hr class="dropdown-divider"></li>
<li><a class="dropdown-item" href="#">サインアウト</a></li>
</ul>
</div>
</div>
</div>
</header>
<!-- /ログイン済みのヘッダ -->
<div class="b-example-divider"></div>
<!-- グリッド付きのヘッダ -->
<header class="py-3 mb-3 border-bottom">
<div class="container-fluid d-grid gap-3 align-items-center" style="grid-template-columns: 1fr 2fr;">
<div class="dropdown">
<a href="#" class="d-flex align-items-center col-lg-4 mb-2 mb-lg-0 link-body-emphasis text-decoration-none dropdown-toggle" data-bs-toggle="dropdown" aria-expanded="false">
<svg class="bi me-2" width="40" height="32"><use xlink:href="#bootstrap"/></svg>
</a>
<ul class="dropdown-menu text-small shadow">
<li><a class="dropdown-item active" href="#">概要</a></li>
<li><a class="dropdown-item" href="#">在庫</a></li>
<li><a class="dropdown-item" href="#">顧客</a></li>
<li><a class="dropdown-item" href="#">製品</a></li>
<li><hr class="dropdown-divider"></li>
<li><a class="dropdown-item" href="#">レポート</a></li>
<li><a class="dropdown-item" href="#">分析</a></li>
</ul>
</div>
<div class="d-flex align-items-center">
<form class="w-100 me-3" role="search">
<input type="search" class="form-control" placeholder="検索...">
</form>
<div class="flex-shrink-0 dropdown">
<a href="#" class="d-block link-body-emphasis text-decoration-none dropdown-toggle" data-bs-toggle="dropdown" aria-expanded="false">
<img src="https://github.com/mdo.png" alt="mdo" width="32" height="32" class="rounded-circle">
</a>
<ul class="dropdown-menu text-small shadow">
<li><a class="dropdown-item" href="#">新プロジェクト...</a></li>
<li><a class="dropdown-item" href="#">設定</a></li>
<li><a class="dropdown-item" href="#">プロフィール</a></li>
<li><hr class="dropdown-divider"></li>
<li><a class="dropdown-item" href="#">サインアウト</a></li>
</ul>
</div>
</div>
</div>
</header>
<div class="container-fluid pb-3">
<div class="d-grid gap-3" style="grid-template-columns: 1fr 2fr;">
<div class="bg-body-tertiary border rounded-3">
<br><br><br><br><br><br><br><br><br><br>
</div>
<div class="bg-body-tertiary border rounded-3">
<br><br><br><br><br><br><br><br><br><br>
</div>
</div>
</div>
<!-- /グリッド付きのヘッダ -->
<div class="b-example-divider"></div>
<!-- 二重のヘッダ -->
<nav class="py-2 bg-body-tertiary border-bottom">
<div class="container d-flex flex-wrap">
<ul class="nav me-auto">
<li class="nav-item"><a href="#" class="nav-link link-body-emphasis px-2 active">ホーム</a></li>
<li class="nav-item"><a href="#" class="nav-link link-body-emphasis px-2">特徴</a></li>
<li class="nav-item"><a href="#" class="nav-link link-body-emphasis px-2">価格設定</a></li>
<li class="nav-item"><a href="#" class="nav-link link-body-emphasis px-2">FAQ</a></li>
<li class="nav-item"><a href="#" class="nav-link link-body-emphasis px-2">概要</a></li>
</ul>
<ul class="nav">
<li class="nav-item"><a href="#" class="nav-link link-body-emphasis px-2">ログイン</a></li>
<li class="nav-item"><a href="#" class="nav-link link-body-emphasis px-2">サインアップ</a></li>
</ul>
</div>
</nav>
<header class="py-3 mb-4 border-bottom">
<div class="container d-flex flex-wrap justify-content-center">
<a href="/" class="d-flex align-items-center mb-3 mb-lg-0 me-lg-auto link-body-emphasis text-decoration-none">
<svg class="bi me-2" width="40" height="32"><use xlink:href="#bootstrap"/></svg>
<span class="fs-4">二重のヘッダ</span>
</a>
<form class="col-12 col-lg-auto mb-3 mb-lg-0" role="search">
<input type="search" class="form-control" placeholder="検索...">
</form>
</div>
</header>
<!-- /二重のヘッダ -->
<div class="b-example-divider"></div>
<!-- アイコン付きリンクのヘッダ -->
<header>
<div class="px-3 py-2 text-bg-dark border-bottom">
<div class="container">
<div class="d-flex flex-wrap align-items-center justify-content-center justify-content-lg-start">
<a href="/" class="d-flex align-items-center my-2 my-lg-0 me-lg-auto text-white text-decoration-none">
<svg class="bi me-2" width="40" height="32" role="img" aria-label="Bootstrap"><use xlink:href="#bootstrap"/></svg>
</a>
<ul class="nav col-12 col-lg-auto my-2 justify-content-center my-md-0 text-small">
<li>
<a href="#" class="nav-link text-secondary">
<svg class="bi d-block mx-auto mb-1" width="24" height="24"><use xlink:href="#home"/></svg>
ホーム
</a>
</li>
<li>
<a href="#" class="nav-link text-white">
<svg class="bi d-block mx-auto mb-1" width="24" height="24"><use xlink:href="#speedometer2"/></svg>
ダッシュボード
</a>
</li>
<li>
<a href="#" class="nav-link text-white">
<svg class="bi d-block mx-auto mb-1" width="24" height="24"><use xlink:href="#table"/></svg>
注文
</a>
</li>
<li>
<a href="#" class="nav-link text-white">
<svg class="bi d-block mx-auto mb-1" width="24" height="24"><use xlink:href="#grid"/></svg>
製品
</a>
</li>
<li>
<a href="#" class="nav-link text-white">
<svg class="bi d-block mx-auto mb-1" width="24" height="24"><use xlink:href="#people-circle"/></svg>
顧客
</a>
</li>
</ul>
</div>
</div>
</div>
<div class="px-3 py-2 border-bottom mb-3">
<div class="container d-flex flex-wrap justify-content-center">
<form class="col-12 col-lg-auto mb-2 mb-lg-0 me-lg-auto" role="search">
<input type="search" class="form-control" placeholder="検索..." aria-label="検索">
</form>
<div class="text-end">
<button type="button" class="btn btn-light text-dark me-2">ログイン</button>
<button type="button" class="btn btn-primary">サインアップ</button>
</div>
</div>
</div>
</header>
<!-- /アイコン付きリンクのヘッダ -->
<div class="b-example-divider"></div>
</main>
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js" integrity="sha384-YvpcrYf0tY3lHB60NNkmXc5s9fDVZLESaAA55NDzOxhy9GkcIdslK1eN7N6jIeHz" crossorigin="anonymous"></script>
//JavaScriptプラグインの設定など
</body>
</html>